map/filter/reduce/lambda opinions and background unscientific mini-survey

[Erik Max Francis]

Ron Adam wrote:

> Each item needs to stand on it's own.  It's a much stronger argument for 
> removing something because something else fulfills it's need and is 
> easier or faster to use than just saying we need x because we have y.
> 
> In this case sum and product fulfill 90% (estimate of course) of reduces 
> use cases.  It may actually be as high as 99% for all I know. Or it may 
> be less.  Anyone care to try and put a real measurement on it?

Well, reduce covers 100% of them, and it's one function, and it's 
already there.

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